_x000D_ Electronic Telescope Focus Device Professional Single Axis Motor Drive Monocular Telescope Accessories _x000D_ _x000D_ _x000D_ _x000D_ The motorized electronic telescope focus device makes it possible to easily achieve sharp focus. _x000D_ Use the push-button manual controller for smooth and precise focus adjustment without vibration. _x000D_ Using the adjustable speed controller, you can choose the speed from coarse to extreme. _x000D_ The DC motor is easy to install and can be used with for many Celestron, Skywatcher, Meade and Orion telescopes. _x000D_ _x000D_ The hand pointed at the telescope may cause the image to shake or even move out of the line of sight completely, especially at high magnification. But with electronic focus, these troubles have become a thing of the past. Using the push-button manual controller, you can focus smoothly and accurately without any vibration. It is powered by the 9-volt battery (NOT included) in the handheld controller. Also includes brackets, hardware and coil cables. _x000D_ Colour: black _x000D_ Material: metal _x000D_ _x000D_ Package Contents: _x000D_ 1 Set x Electronic telescope focus device _x000D_ _x000D_ Only the above package content, other products are not included. _x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_